A live webcast of the event will be available on the Company’s Investor Relations website, http://investor.t-mobile.com, on Monday, May 22, 2017 at 10:00 a.m. EDT. An on-demand replay will be available shortly after the conclusion of the presentation.

About T-Mobile US, Inc.As America’s Un-carrier, T-Mobile US, Inc. (NASDAQ:TMUS) is redefining the way consumers and businesses buy wireless services through leading product and service innovation. The Company’s advanced nationwide 4G LTE network delivers outstanding wireless experiences to 72.6 million customers who are unwilling to compromise on quality and value. Based in Bellevue, Washington, T-Mobile US provides services through its subsidiaries and operates its flagship brands, T-Mobile and MetroPCS. For more information, please visit http://www.t-mobile.com.